Induction of chitinase and β‐1,3‐glucanase in Parthenocissus quinquefolia cells cultured in vitro
Identifieur interne : 000369 ( France/Analysis ); précédent : 000368; suivant : 000370Induction of chitinase and β‐1,3‐glucanase in Parthenocissus quinquefolia cells cultured in vitro
Auteurs : Jean Flach ; Pierre Jollés [France] ; Paul-Emile Pilet [Suisse]Source :
- Physiologia Plantarum [ 0031-9317 ] ; 1993-10.
English descriptors
- Teeft :
Abstract
Chitin, chitosan and peptidoglycan induced chitinase (EC 3. 2. 1. 14) activity in Parthenocissus quinquefolia cells cultured in vitro, while cellulose did not. The real inducers seemed to be oligomers released from the large size polymers by hydrolytic enzymes secreted into the medium during the cell growth and division. This effect was mimicked by the addition to the medium of a partially purified Parthenocissus chitinase/lysozyme (EC 3. 2. 1. 17), which was also able to hydrolyse chitosan. Oligomers of chitin and of chitosan induced the activity to the same level and with the same time course, while peptidoglycan oligomers induced less activity. Oligomers also induced β‐1,3‐glucanase (EC 3. 2. 1. 6) activities. The changes with time of both activities and the relative effects of the three kinds of polymers suggested that the induction of both enzymes involves a common element early in the signal pathway.
Url:
DOI: 10.1111/j.1399-3054.1993.tb00172.x
Affiliations:
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<wicri:regionArea>Protein Laboratory, Univ. of Paris V, CNRS 1188, F‐75270 Paris Cedex 06</wicri:regionArea>
<placeName><region type="region" nuts="2">Île-de-France</region>
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<author><name sortKey="Pilet, Paul Mile" sort="Pilet, Paul Mile" uniqKey="Pilet P" first="Paul-Emile" last="Pilet">Paul-Emile Pilet</name>
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<wicri:regionArea>Institute of Plant Biology and Physiology, Univ. of Lausanne, CH‐1015 Lausanne</wicri:regionArea>
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<series><title level="j" type="main">Physiologia Plantarum</title>
<title level="j" type="alt">PHYSIOLOGIA PLANTARUM</title>
<idno type="ISSN">0031-9317</idno>
<idno type="eISSN">1399-3054</idno>
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<publisher>Blackwell Publishing Ltd</publisher>
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<profileDesc><textClass><keywords scheme="Teeft" xml:lang="en"><term>Chitin</term>
<term>Chitin oligomers</term>
<term>Chitinase</term>
<term>Chitinase activity</term>
<term>Chitinases</term>
<term>Chitosan</term>
<term>Elicitors</term>
<term>Fungal</term>
<term>Induction</term>
<term>Oligomers</term>
<term>Parthenocissus</term>
<term>Parthenocissus cells</term>
<term>Parthenocissus quinquefolia cells</term>
<term>Peptidoglycan</term>
<term>Peptidoglycan oligomers</term>
<term>Physiol</term>
<term>Plant physiol</term>
<term>Polymer</term>
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<front><div type="abstract" xml:lang="en">Chitin, chitosan and peptidoglycan induced chitinase (EC 3. 2. 1. 14) activity in Parthenocissus quinquefolia cells cultured in vitro, while cellulose did not. The real inducers seemed to be oligomers released from the large size polymers by hydrolytic enzymes secreted into the medium during the cell growth and division. This effect was mimicked by the addition to the medium of a partially purified Parthenocissus chitinase/lysozyme (EC 3. 2. 1. 17), which was also able to hydrolyse chitosan. Oligomers of chitin and of chitosan induced the activity to the same level and with the same time course, while peptidoglycan oligomers induced less activity. Oligomers also induced β‐1,3‐glucanase (EC 3. 2. 1. 6) activities. The changes with time of both activities and the relative effects of the three kinds of polymers suggested that the induction of both enzymes involves a common element early in the signal pathway.</div>
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<tree><noCountry><name sortKey="Flach, Jean" sort="Flach, Jean" uniqKey="Flach J" first="Jean" last="Flach">Jean Flach</name>
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<country name="France"><region name="Île-de-France"><name sortKey="Jolles, Pierre" sort="Jolles, Pierre" uniqKey="Jolles P" first="Pierre" last="Jollés">Pierre Jollés</name>
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<country name="Suisse"><noRegion><name sortKey="Pilet, Paul Mile" sort="Pilet, Paul Mile" uniqKey="Pilet P" first="Paul-Emile" last="Pilet">Paul-Emile Pilet</name>
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